> archeologists were warned about death and curses and such and still went into Tutanchamun's tomb. IIRC some died from a mold spore active in there

Correct. I saw a documentary last week about a 3000-year-old grave in Syria where they pumped in fresh air for a week or so before going in to get rid of the fungal spores in the air.

https://en.wikipedia.org/wiki/Curse_of_the_pharaohs